package com.leyou.upload.controller;

import com.leyou.upload.service.UploadService;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

@RestController
@RequestMapping("upload")
public class UploadController {


    @Autowired
    private UploadService uploadService;

    /**
     * 编写上传逻辑，接受的参数类型为file，参数的类型为MultipartFile
     *
     * @param file
     * @return
     */
    @PostMapping("image")
    public ResponseEntity<String> uploadImage(@RequestParam("file") MultipartFile file) {

        String url = uploadService.uploadImage(file);

        if (StringUtils.isBlank(url)) {
            //URL为空 上传失败
            return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
        }
        //返回200，并且携带URL路径
        return ResponseEntity.ok(url);
    }


}
